...pertaining to a topic already under discussion because the active page can only show a certain number of threads, and new ones push the older ones off the active page. This is true on all forums on this board, and is generally a characteristic of thread-oriented message boards. This is a practical way of ensuring that everyone who is interested in a topic can follow its discussion in one place.

As NEB notes, chapter discussions in RR almost always end with an invitation to an open discussion. A few years ago, we had a poster (Atlas, I think), who would come in on the open discussion thread of a chapter with a "briefcase" of questions (sometimes a dozen or more) on issues not addressed yet. Some were lighthearted, some provocative, most were interesting.

But new threads on new topics are always welcome on any board. The Rohirrim, by Peter Xavier Price Elizabeth is the TORnsib formerly known as 'erather'